PSRW-Series – PSRW-78xxLF – Switching Regulator – SIP3 – Plastic Case

Specification can change without a notice – We accept no liability for any inaccuracy or printing errors.

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Selection Guide

Order #

Inpu

t Vo

ltag

e R

ang

e (V

DC

)

Inpu

t Cu

rren

t no

Loa

d (m

A)

Inpu

t Cu

rren

t ful

l Lo

ad (

Vin

min

.)

Inpu

t Cu

rren

t ful

l Lo

ad (

Vin

max

.)

Out

put

Vol

tage

(V)

Out

put

Cur

rent

(mA

)

Effic

ienc

y (V

in m

in.)

(%)

Effic

ienc

y (V

in m

ax.)

(%)

PSRW-783R3LF

9-72

3.0

230

32

3.3

500

82

75

PSRW-7805LF

9-72

3.0

327

45

5.0

500

87

80

PSRW-786R5LF

9-72

3.0

406

56

6.5

500

91

83

PSRW-787R2LF

14-72

3.0

289

61

7.2

500

91

84

PSRW-7809LF

14-72

3.0

358

76

9.0

500

92

86

PSRW-7812LF

17-72

3.0

384

97

12

500

94

89

PSRW-7815LF

20-72

3.0

404

119

15

500

95

91

If you need other specifications, please enquire.

Package / Pinning / Derating

PEAK

Modelcode

Datecode

1

2

3

11.68

(0.46)

Bottom View

1

2

3

5.08

(0.20)

2.54

(0.10)

7.50

(0.29)

0.50

(0.02)

Notes : All dimensions are typical in millimeters ( inches ).

1. Pin diameter: 0.5 ±0.05 ( 0.02±0.002 )

2. Pin pitch tolerance: ±0.35 ( ±0.014 )

3. Case Tolerance: ±0.5 ( ±0.02 )

Specification may change without notice. Pin length is typical.

85

100%

75%

50%

25%

-40 -20

0

20

40

60

80

100

AMBIENT TEMPERATURE (°C)

TEMPERATURE DERATING GRAPH

PSRW-78xxLF

1. If Vin>50V, in order to protect the

converter during power-up, an external

capacitor C1=3.3uF/100V is required.

2. C2=100uF(Optional)

#

Switching Reg.

1

+Vin

2

GND

3

+Vout

PIN CONNECTIONS